digital beamforming

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• Beamforming — is a signal processing technique used in sensor arrays for directional signal transmission or reception. This spatial selectivity is achieved by using adaptive or fixed receive/transmit beampattern. The improvement compared with an… …   Wikipedia

• Passive radar — systems (also referred to as passive coherent location and passive covert radar) encompass a class of radar systems that detect and track objects by processing reflections from non cooperative sources of illumination in the environment, such as… …   Wikipedia

• Mathematics of radio engineering — A complex valued function. The mathematics of radio engineering is a pleasant and very useful subject. This article is an attempt to provide a reasonably comprehensive summary of this almost limitless topic. While the ideas have historically… …   Wikipedia

• Arleigh Burke class destroyer — USS Arleigh Burke (DDG 51), lead ship of the class Class overview Name: Arleigh Burke class destroyer …   Wikipedia

• SMART-L — (Signaal Multibeam Acquisition Radar for Tracking, L band) is a long range search radar for naval ships developed by former Hollandse Signaalapparaten (Signaal), now Thales Naval Nederland. The Thales/BAE Systems Insyte S1850M radar is a… …   Wikipedia

• MIMO — This article is about MIMO in wireless communication. For other uses, see MIMO (disambiguation). Understanding of SISO, SIMO, MISO and MIMO (note that the terms input and output refer to the radio channel carrying the signal, not to the devices… …   Wikipedia

• Smart antenna — Smart antennas (also known as adaptive array antennas, multiple antennas and recently MIMO) are antenna arrays with smart signal processing algorithms used to identify spatial signal signature such as the direction of arrival (DOA) of the signal …   Wikipedia

• Radar passif — Un radar passif est un radar qui peut détecter et suivre un objet en utilisant les réflexions de sources étrangères au système telles que des stations de radiodiffusion ou de radiocommunication. C est un cas particulier du radar bistatique qui… …   Wikipédia en Français

• 3G MIMO — describes MIMO techniques which have been considered as 3G standard techniques. MIMO, as the state of the art of Intelligent antenna (IA), improves the performance of radio systems by embedding electronics intelligence into the spatial processing …   Wikipedia

• Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …   Wikipedia

• IEEE 802.11n — is a proposed amendment to the IEEE 802.11 2007 wireless networking standard to significantly improve network throughput over previous standards, such as 802.11b and 802.11g, with a significant increase in the maximum raw (PHY) data rate from 54… …   Wikipedia